661640188 (number)

661640188 is an even 9-digits composite number following 661640187 and preceding 661640189. In scientific notation, it is written as 6.61640188 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 299846400 positive integers (up to 661640188) that are relatively prime to 661640188.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million six hundred forty thousand one hundred eighty-eight

Notation

Scientific notation 6.61640188 × 10^8
Engineering notation 6.61640188 × 10^6

Prime Factorization of 661640188

Prime Factorization 2 × 2 × 11 × 337 × 44621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 330820094
Product of the distinct prime numbers

The prime factorization of 661640188 is 2 × 2 × 11 × 337 × 44621. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 57, 28, 843, 327, 8191, 2756, 11187, 59759, 475182, 494818, 7934275, 7680264, 42400470, 87451596, 190414403, 203870231, 2272831627, 5592589771

Basic calculations (n = 661640188)

Multiplication

n×y
n×2 1323280376
n×3 1984920564
n×4 2646560752
n×5 3308200940

Division

n÷y
n÷2 330820094
n÷3 220546729.33333
n÷3 165410047
n÷5 132328037.6

Exponentiation

ny
n2 437767738376675344
n3 2.8964472871988E+26
n4 1.9164059276343E+35
n5 1.2679711782443E+44

Nth Root

y√n
2√n 25722.367464913
3√n 871.37940686269
4√n 160.38194245274
5√n 58.093076335676

Divisors of 661640188

1, 2, 4, 11, 22, 44, 337, 674, 1348, 3707, 7414, 14828, 44621, 89242, 178484, 490831, 981662, 1963324, 15037277, 30074554, 60149108, 165410047, 330820094, 661640188

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661640187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661640188 can be divided by 24 positive divisors. The sum of these divisors (counting 661640188) is 1, the average is 0.041666666666667.

Base conversion 661640188

Base System Value
2 Binary 100111011011111101001111111100
3 Ternary 1201002222210201011
4 Quaternary 213123331033330
5 Quinary 2323334441223
6 Senary 145353125004
8 Octal 4733751774
10 Decimal 661640188
12 Duodecimal 1656b9764
16 Hexadecimal 276fd3fc
20 Vigesimal a6f5098
36 Base36 axx8u4

Cryptographic Hash Functions

md5 fcaa8737b0fe2ff778ef761023095b7b
sha1 26eac04baca5d3eefb2121cd8404476c371dd0c4
sha256 2a12809d5b513575ea5b0f409b9d5ec2bf01f849db2a4aab308a4032c2303018
sha512 acc3ab5f89e70d1b7a2a2bdbb802f94ce10699aa8f15f2065702f396870d0d725b2d5f8524e9b48f72d257e9153ce7b5d7a786f1912fac5d26c66aa543656e48
ripemd-160 91f5f9c30dd7149d0bb1d60478bde917a4a28451

661640188 as geometric shapes

Circle

Radius = n
Diameter 1323280376
Circumference 4157207907.8811
Area 1.3752879108628E+18

Sphere

Radius = n
Volume 1.2132610025298E+27
Surface area 5.5011516434511E+18
Circumference 4157207907.8811

Square

Length = n
Perimeter 2646560752
Area 437767738376675344
Diagonal 935700527.28068

Cube

Length = n
Surface area 2626606430260052064
Volume 2.8964472871988E+26
Space diagonal 1145994421.9454

Equilateral Triangle

Length = n
Perimeter 1984920564
Area 1.8955899119573E+17
Altitude 572997210.97271

Triangular Pyramid

Length = n
Surface area 1.8955899119573E+17
Volume 3.4134958635461E+25
Height 311900175.76023